save project

diy.py

+# # # 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
+# # file1=open(r"C:\Users\Windows\Desktop\yukun\text.txt","w",encoding="utf-8")
+# # file1.write("小兰:12本\n")
+# # file1.write("小丽:11本\n")
+# # file1.write("李文:9本\n")
+# # file1.write("张伟:16本\n")
+# # file1.close()
+# # 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
+# file1=open(r"C:\Users\Windows\Desktop\yukun\text.txt","a",encoding="utf-8")
+# file1.write("小强:12本\n")
+# file1.write("李明:15本\n")
+# file1.close()
+# with open(r"C:\Users\Windows\Desktop\yukun\text.txt","r",encoding="utf-8")as file1:
+#     a=file1.read()
+#     print(a)
+with open(r"C:\Users\Windows\Desktop\yukun\text.txt","r",encoding="utf-8")as file1:
+    for data in file1:
+        if "小强:10本" in data:
+            print("数据在文件中")
+# # file1.write("小兰:12本\n")
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